freebsd-skq/sys/dev/ath/if_ath_sysctl.c
Adrian Chadd 23ced6c117 Implement a global (all non-mgmt traffic) TX ath_buf limitation when
ath_start() is called.

This (defaults to 10 frames) gives for a little headway in the TX ath_buf
allocation, so buffer cloning is still possible.

This requires a lot omre experimenting and tuning.

It also doesn't stop a node/TID from consuming all of the available
ath_buf's, especially when the node is going through high packet loss
or only talking at a low TX rate.  It also doesn't stop a paused TID
from taking all of the ath_bufs.  I'll look at fixing that up in subsequent
commits.

PR:	kern/168170
2012-06-14 00:51:53 +00:00

996 lines
36 KiB
C

/*-
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Driver for the Atheros Wireless LAN controller.
*
* This software is derived from work of Atsushi Onoe; his contribution
* is greatly appreciated.
*/
#include "opt_inet.h"
#include "opt_ath.h"
#include "opt_wlan.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/errno.h>
#include <sys/callout.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/kthread.h>
#include <sys/taskqueue.h>
#include <sys/priv.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_llc.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_regdomain.h>
#ifdef IEEE80211_SUPPORT_SUPERG
#include <net80211/ieee80211_superg.h>
#endif
#ifdef IEEE80211_SUPPORT_TDMA
#include <net80211/ieee80211_tdma.h>
#endif
#include <net/bpf.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <dev/ath/if_athvar.h>
#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
#include <dev/ath/ath_hal/ah_diagcodes.h>
#include <dev/ath/if_ath_debug.h>
#include <dev/ath/if_ath_led.h>
#include <dev/ath/if_ath_misc.h>
#include <dev/ath/if_ath_tx.h>
#include <dev/ath/if_ath_sysctl.h>
#ifdef ATH_TX99_DIAG
#include <dev/ath/ath_tx99/ath_tx99.h>
#endif
static int
ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int slottime = ath_hal_getslottime(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &slottime, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
}
static int
ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int acktimeout = ath_hal_getacktimeout(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &acktimeout, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
}
static int
ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
}
static int
ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int softled = sc->sc_softled;
int error;
error = sysctl_handle_int(oidp, &softled, 0, req);
if (error || !req->newptr)
return error;
softled = (softled != 0);
if (softled != sc->sc_softled) {
if (softled) {
/* NB: handle any sc_ledpin change */
ath_led_config(sc);
}
sc->sc_softled = softled;
}
return 0;
}
static int
ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int ledpin = sc->sc_ledpin;
int error;
error = sysctl_handle_int(oidp, &ledpin, 0, req);
if (error || !req->newptr)
return error;
if (ledpin != sc->sc_ledpin) {
sc->sc_ledpin = ledpin;
if (sc->sc_softled) {
ath_led_config(sc);
}
}
return 0;
}
static int
ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int hardled = sc->sc_hardled;
int error;
error = sysctl_handle_int(oidp, &hardled, 0, req);
if (error || !req->newptr)
return error;
hardled = (hardled != 0);
if (hardled != sc->sc_hardled) {
if (hardled) {
/* NB: handle any sc_ledpin change */
ath_led_config(sc);
}
sc->sc_hardled = hardled;
}
return 0;
}
static int
ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int txantenna = ath_hal_getantennaswitch(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &txantenna, 0, req);
if (!error && req->newptr) {
/* XXX assumes 2 antenna ports */
if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B)
return EINVAL;
ath_hal_setantennaswitch(sc->sc_ah, txantenna);
/*
* NB: with the switch locked this isn't meaningful,
* but set it anyway so things like radiotap get
* consistent info in their data.
*/
sc->sc_txantenna = txantenna;
}
return error;
}
static int
ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int defantenna = ath_hal_getdefantenna(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &defantenna, 0, req);
if (!error && req->newptr)
ath_hal_setdefantenna(sc->sc_ah, defantenna);
return error;
}
static int
ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int diversity = ath_hal_getdiversity(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &diversity, 0, req);
if (error || !req->newptr)
return error;
if (!ath_hal_setdiversity(sc->sc_ah, diversity))
return EINVAL;
sc->sc_diversity = diversity;
return 0;
}
static int
ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int32_t diag;
int error;
if (!ath_hal_getdiag(sc->sc_ah, &diag))
return EINVAL;
error = sysctl_handle_int(oidp, &diag, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
}
static int
ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
struct ifnet *ifp = sc->sc_ifp;
u_int32_t scale;
int error;
(void) ath_hal_gettpscale(sc->sc_ah, &scale);
error = sysctl_handle_int(oidp, &scale, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
(ifp->if_drv_flags & IFF_DRV_RUNNING) ?
ath_reset(ifp, ATH_RESET_NOLOSS) : 0;
}
static int
ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int tpc = ath_hal_gettpc(sc->sc_ah);
int error;
error = sysctl_handle_int(oidp, &tpc, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
}
static int
ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
struct ifnet *ifp = sc->sc_ifp;
struct ath_hal *ah = sc->sc_ah;
u_int rfkill = ath_hal_getrfkill(ah);
int error;
error = sysctl_handle_int(oidp, &rfkill, 0, req);
if (error || !req->newptr)
return error;
if (rfkill == ath_hal_getrfkill(ah)) /* unchanged */
return 0;
if (!ath_hal_setrfkill(ah, rfkill))
return EINVAL;
return (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
ath_reset(ifp, ATH_RESET_FULL) : 0;
}
static int
ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int i, t, param = 0;
int error;
struct ath_buf *bf;
error = sysctl_handle_int(oidp, &param, 0, req);
if (error || !req->newptr)
return error;
if (param != 1)
return 0;
printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
printf("aggr single packet: %d\n",
sc->sc_aggr_stats.aggr_single_pkt);
printf("aggr single packet w/ BAW closed: %d\n",
sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
printf("aggr non-baw packet: %d\n",
sc->sc_aggr_stats.aggr_nonbaw_pkt);
printf("aggr aggregate packet: %d\n",
sc->sc_aggr_stats.aggr_aggr_pkt);
printf("aggr single packet low hwq: %d\n",
sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
printf("aggr single packet RTS aggr limited: %d\n",
sc->sc_aggr_stats.aggr_rts_aggr_limited);
printf("aggr sched, no work: %d\n",
sc->sc_aggr_stats.aggr_sched_nopkt);
for (i = 0; i < 64; i++) {
printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
if (i % 4 == 3)
printf("\n");
}
printf("\n");
for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
if (ATH_TXQ_SETUP(sc, i)) {
printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d\n",
i,
sc->sc_txq[i].axq_depth,
sc->sc_txq[i].axq_aggr_depth);
}
}
i = t = 0;
ATH_TXBUF_LOCK(sc);
TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
if (bf->bf_flags & ATH_BUF_BUSY) {
printf("Busy: %d\n", t);
i++;
}
t++;
}
ATH_TXBUF_UNLOCK(sc);
printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
t, i, sc->sc_txbuf_cnt);
i = t = 0;
ATH_TXBUF_LOCK(sc);
TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
if (bf->bf_flags & ATH_BUF_BUSY) {
printf("Busy: %d\n", t);
i++;
}
t++;
}
ATH_TXBUF_UNLOCK(sc);
printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
t, i);
return 0;
}
static int
ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int rfsilent;
int error;
(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
error = sysctl_handle_int(oidp, &rfsilent, 0, req);
if (error || !req->newptr)
return error;
if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent))
return EINVAL;
sc->sc_rfsilentpin = rfsilent & 0x1c;
sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
return 0;
}
static int
ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int32_t tpack;
int error;
(void) ath_hal_gettpack(sc->sc_ah, &tpack);
error = sysctl_handle_int(oidp, &tpack, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
}
static int
ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
u_int32_t tpcts;
int error;
(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
error = sysctl_handle_int(oidp, &tpcts, 0, req);
if (error || !req->newptr)
return error;
return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
}
static int
ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int intmit, error;
intmit = ath_hal_getintmit(sc->sc_ah);
error = sysctl_handle_int(oidp, &intmit, 0, req);
if (error || !req->newptr)
return error;
/* reusing error; 1 here means "good"; 0 means "fail" */
error = ath_hal_setintmit(sc->sc_ah, intmit);
if (! error)
return EINVAL;
/*
* Reset the hardware here - disabling ANI in the HAL
* doesn't reset ANI related registers, so it'll leave
* things in an inconsistent state.
*/
if (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)
ath_reset(sc->sc_ifp, ATH_RESET_NOLOSS);
return 0;
}
#ifdef IEEE80211_SUPPORT_TDMA
static int
ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int setcca, error;
setcca = sc->sc_setcca;
error = sysctl_handle_int(oidp, &setcca, 0, req);
if (error || !req->newptr)
return error;
sc->sc_setcca = (setcca != 0);
return 0;
}
#endif /* IEEE80211_SUPPORT_TDMA */
static int
ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int val = 0;
int error;
error = sysctl_handle_int(oidp, &val, 0, req);
if (error || !req->newptr)
return error;
if (val == 0)
return 0;
taskqueue_enqueue_fast(sc->sc_tq, &sc->sc_bstucktask);
val = 0;
return 0;
}
void
ath_sysctlattach(struct ath_softc *sc)
{
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
struct ath_hal *ah = sc->sc_ah;
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
"EEPROM country code");
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
"EEPROM regdomain code");
#ifdef ATH_DEBUG
SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"debug", CTLFLAG_RW, &sc->sc_debug,
"control debugging printfs");
#endif
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_slottime, "I", "802.11 slot time (us)");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_softled, "I", "enable/disable software LED support");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
"setting to turn LED on");
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
"idle time for inactivity LED (ticks)");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_hardled, "I", "enable/disable hardware LED support");
/* XXX Laziness - configure pins, then flip hardled off/on */
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
"MAC Network LED pin, or -1 to disable");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
"MAC Power LED pin, or -1 to disable");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_txantenna, "I", "antenna switch");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_rxantenna, "I", "default/rx antenna");
if (ath_hal_hasdiversity(ah))
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_diversity, "I", "antenna diversity");
sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
"tx descriptor batching");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_diag, "I", "h/w diagnostic control");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_tpscale, "I", "tx power scaling");
if (ath_hal_hastpc(ah)) {
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_tpack, "I", "tx power for ack frames");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_tpcts, "I", "tx power for cts frames");
}
if (ath_hal_hasrfsilent(ah)) {
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_rfsilent, "I", "h/w RF silent config");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
}
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_txagg, "I", "");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_forcebstuck, "I", "");
if (ath_hal_hasintmit(ah)) {
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_intmit, "I", "interference mitigation");
}
sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
"mask of error frames to pass when monitoring");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"hwq_limit", CTLFLAG_RW, &sc->sc_hwq_limit, 0,
"");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
"");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
"");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
0, "Minimum free buffers before adding a data frame"
" to the TX queue");
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"txq_mcastq_maxdepth", CTLFLAG_RW,
&sc->sc_txq_mcastq_maxdepth, 0,
"Maximum buffer depth for multicast/broadcast frames");
#ifdef IEEE80211_SUPPORT_TDMA
if (ath_hal_macversion(ah) > 0x78) {
sc->sc_tdmadbaprep = 2;
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
"TDMA DBA preparation time");
sc->sc_tdmaswbaprep = 10;
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
"TDMA SWBA preparation time");
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
"TDMA slot guard time");
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
"TDMA calculated super frame");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_setcca, "I", "enable CCA control");
}
#endif
}
static int
ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
{
struct ath_softc *sc = arg1;
int val = 0;
int error;
error = sysctl_handle_int(oidp, &val, 0, req);
if (error || !req->newptr)
return error;
if (val == 0)
return 0; /* Not clearing the stats is still valid */
memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
val = 0;
return 0;
}
static void
ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
{
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
int i;
char sn[8];
tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
child = SYSCTL_CHILDREN(tree);
for (i = 0; i < 64; i++) {
snprintf(sn, sizeof(sn), "%d", i);
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
}
}
static void
ath_sysctl_stats_attach_intr(struct ath_softc *sc,
struct sysctl_oid_list *parent)
{
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
int i;
char sn[8];
tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
CTLFLAG_RD, NULL, "Sync interrupt statistics");
child = SYSCTL_CHILDREN(tree);
for (i = 0; i < 32; i++) {
snprintf(sn, sizeof(sn), "%d", i);
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
&sc->sc_intr_stats.sync_intr[i], 0, "");
}
}
void
ath_sysctl_stats_attach(struct ath_softc *sc)
{
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
/* Create "clear" node */
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
ath_sysctl_clearstats, "I", "clear stats");
/* Create stats node */
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
NULL, "Statistics");
child = SYSCTL_CHILDREN(tree);
/* This was generated from if_athioctl.h */
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
&sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
&sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
&sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
&sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
&sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
&sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
&sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
&sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
&sc->sc_stats.ast_mib, 0, "mib interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
&sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
&sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
&sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
&sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
&sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
&sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
&sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
&sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
&sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
&sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
&sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
&sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
&sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
&sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
&sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
&sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
&sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
&sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
&sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
&sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
&sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
&sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
&sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
&sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
&sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
&sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
&sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
&sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
&sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
&sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
&sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
&sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
&sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
&sc->sc_stats.ast_rx_mgt, 0, "management frames received");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
&sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
&sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
&sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
&sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
&sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
&sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
&sc->sc_stats.ast_rate_calls, 0, "rate control checks");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
&sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
&sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
&sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
&sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
&sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
&sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
&sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
&sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
&sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
&sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
&sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
&sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
&sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
&sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
&sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
&sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
&sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
&sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
&sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
&sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
&sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
&sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
&sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
&sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
&sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
&sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
&sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
&sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
&sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
&sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
&sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
&sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
&sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
&sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
&sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
&sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
&sc->sc_stats.ast_tx_data_underrun, 0, "");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
&sc->sc_stats.ast_tx_delim_underrun, 0, "");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
&sc->sc_stats.ast_tx_aggr_failall, 0,
"Number of aggregate TX failures (whole frame)");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
&sc->sc_stats.ast_tx_aggr_ok, 0,
"Number of aggregate TX OK completions (subframe)");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
&sc->sc_stats.ast_tx_aggr_fail, 0,
"Number of aggregate TX failures (subframe)");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
&sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
&sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
"Number of multicast frames exceeding maximum mcast queue depth");
/* Attach the RX phy error array */
ath_sysctl_stats_attach_rxphyerr(sc, child);
/* Attach the interrupt statistics array */
ath_sysctl_stats_attach_intr(sc, child);
}
/*
* This doesn't necessarily belong here (because it's HAL related, not
* driver related).
*/
void
ath_sysctl_hal_attach(struct ath_softc *sc)
{
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
NULL, "Atheros HAL parameters");
child = SYSCTL_CHILDREN(tree);
sc->sc_ah->ah_config.ah_debug = 0;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
"Enable 2GHz AR5416 direction sensitivity bias adjust");
sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
"Atheros HAL DMA beacon response time");
sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
"Atheros HAL software beacon response time");
sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
"Atheros HAL additional SWBA backoff time");
sc->sc_ah->ah_config.ah_force_full_reset = 0;
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_force_full_reset, 0,
"Force full chip reset rather than a warm reset");
/*
* This is initialised by the driver.
*/
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
&sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
"Force register access serialisation");
}